13. Reference form to foreman Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
14. Diagram of screening and interviewing booths for job placement Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
15. Humm-Wadsworth temperament scale test asking questions relating to personality Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
16. Carnegie-Illinois Steel Corportation definition of terms used to rate employees Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
17. General Electric Company rating sheet for employees regarding personality traits Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
18. Personnel factors and how they are to be determined or measured. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
19. Cartoon showing one worker timing another doing a work task. Collection: Early 20th Century Engineering Lantern Slides Set: General Date: undated Format: Image Agent: unknown
20. Cartoon showing 5 workers chained to their workstations to do a repetitive task. Collection: Early 20th Century Engineering Lantern Slides Set: Time and Motion study Date: undated Format: Image Agent: unknown